[Paraview] Transient point data analysis

ramaya ramaya at femagsoft.com
Tue Mar 5 09:51:07 EST 2013


Hi David,
  The other possible solution is I can perform a linear translation of 
the y-coordinates of all the files t=1 to N. And then use the absolute 
location function. Do you know how can perform that linear translation 
in y-coordinates seamlessly?

thanks


On 03/05/2013 03:04 PM, David E DeMarle wrote:
> Selections don't have that capability directly. The nearest selection 
> types are select by ID or select by absolute location, neither of 
> which will track the relative location.
>
> You will have to come up with some pipeline involving a clip filter, 
> perhaps within a programmable filter, that will cut out the offset and 
> then select on that.
>
> David E DeMarle
> Kitware, Inc.
> R&D Engineer
> 21 Corporate Drive
> Clifton Park, NY 12065-8662
> Phone: 518-881-4909
>
>
> On Tue, Mar 5, 2013 at 8:52 AM, ramaya <ramaya at femagsoft.com 
> <mailto:ramaya at femagsoft.com>> wrote:
>
>     Hi David,
>      Thanks for the reply. Selecting a nodal points does not really
>     help.  Please refer to the attached image. The body is evolving
>     with time and assume the rectangle represents the mesh and the dot
>     is the point I would like to follow i.e., the evolution of the
>     field variable at dot position with respect to time.   Selecting
>     the node does not help because the mesh is deforming and the nodal
>     coordinate distance is increasing. I need some tool that keeps a
>     constant distance from the top of the body.
>
>     Thanks
>
>
>
>
>     On 03/05/2013 12:53 PM, David E DeMarle wrote:
>>     You need to make sure it is an ID type selection, and not a
>>     location type selection. Then plot selection will plot that
>>     particular point or cell's values regardless of where it is in
>>     space.
>>
>>     To demonstrate:
>>     Sources->Time Source Example(X Amplitude = 2)
>>     "Select Points On" (a opposed to Select Points Through which will
>>     generate one of the location type selections) and grab a corner.
>>     Plot Selection Over Time.
>>
>>
>>     David E DeMarle
>>     Kitware, Inc.
>>     R&D Engineer
>>     21 Corporate Drive
>>     Clifton Park, NY 12065-8662
>>     Phone: 518-881-4909 <tel:518-881-4909>
>>
>>
>>     On Tue, Mar 5, 2013 at 5:49 AM, ramaya <ramaya at femagsoft.com
>>     <mailto:ramaya at femagsoft.com>> wrote:
>>
>>         Dear All,
>>         I have a transient simulation results written to individual
>>         files. I would like to see the evolution of T(temperature)
>>         with respect to t (time) at a point attached to the body. The
>>         body moves with respect to time. I tried Plot over line, plot
>>         over selection etc gives the plot at a fixed coordinates but
>>         my points have moved from the initial file. I am looking for
>>         something like evolution of T on the material coordinates.
>>         At step 0 : My point is at (x, y)
>>         At step 1: My point is at (x,y+deltay1)
>>         At step 3 My point is at (x,y+deltay2)
>>
>>         Please provide me some guidance.
>>
>>         Thanks
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>

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